1SDA057719R1 ABB E3V-A 1600 PR121/P-LI 1600 A 3-Pole Fixed Air Circuit Breaker

Why Choose the ABB 1SDA057719R1 E3V-A 1600 Air Circuit Breaker?

The ABB 1SDA057719R1 is a high-performance SACE Emax E3V-A 1600 air circuit breaker designed for dependable switching and protection in demanding low-voltage power distribution systems. This three-pole fixed circuit breaker has a rated current of 1600 A and combines the E3V-A platform with ABB's proven PR121/P electronic overcurrent protection technology.

Equipped with an ABB PR121/P-LI R1600 electronic overcurrent release, the 1SDA057719R1 provides long-time and instantaneous protection functions. Its instantaneous protection setting is 24000 A, helping protect electrical distribution equipment against severe short-circuit faults while the long-time function provides protection against sustained overload conditions.

The breaker is supplied in a three-pole fixed configuration with rear horizontal terminals and is designed for UL applications. Four auxiliary contacts and open/closed position indication support breaker status monitoring and integration within industrial switchboards, while its robust E3V-A construction makes it suitable for demanding high-current distribution duties.

Key Advantages

• High-performance ABB SACE Emax E3V-A air circuit breaker.
• 1600 A rated current for high-current electrical distribution.
• Three-pole configuration for three-phase systems.
• PR121/P-LI R1600 electronic overcurrent release.
• LI protection provides long-time overload and instantaneous short-circuit protection.
• 24000 A instantaneous protection setting.
• Fixed construction for permanent switchboard installations.
• Rear horizontal terminals for practical switchgear connections.
• Four auxiliary contacts support circuit-breaker status signalling and control.
• Open/closed position indication provides clear breaker status information.

Key Features

• ABB SACE Emax E3V-A 1600 series.
• 1600 A rated current.
• PR121/P-LI R1600 electronic overcurrent release.
• LI protection functions: long-time and instantaneous.
• 24000 A instantaneous setting.
• Three-pole circuit-breaker configuration.
• Fixed mounting arrangement.
• Rear horizontal terminals.
• Four auxiliary contacts.
• Open/closed circuit-breaker position indication.
• UL configuration.
• Electrical durability of 10000 cycles.
• Mechanical durability of 15000 cycles.
• ABB order code 1SDA057719R1.

High-Performance Circuit Protection for Power Distribution

Air circuit breakers such as the ABB SACE Emax provide switching, isolation and overcurrent protection for high-current low-voltage electrical distribution systems. They help protect cables, busbars, switchgear and connected equipment against potentially damaging overload and short-circuit conditions while providing dependable control of important distribution circuits.

The PR121/P-LI electronic release provides long-time protection against sustained overloads together with instantaneous protection against high-level short-circuit faults. Combined with the E3V-A platform, 1600 A current rating, fixed construction and rear horizontal terminals, the 1SDA057719R1 provides a robust protection solution for demanding industrial and commercial switchboard applications.

Typical Applications

• Industrial low-voltage power distribution systems.
• Main incomer protection in electrical switchboards.
• High-current feeder protection.
• Manufacturing and process plant electrical distribution.
• Commercial and industrial switchgear assemblies.
• High-current three-phase distribution circuits.
• Power distribution centres and critical electrical infrastructure.